/* assets/css/blog.css */
/* Import global variables */
@import "styles.css";

/* Apply Swiss typography */
.blog-hero {
  font-family: var(--font-heading);
  text-align: center;
  margin: 30px 0 28px;
  padding: clamp(30px, 5vw, 48px);
  border-radius: var(--radius-lg);
  background: var(--brand);
  color: #fff;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.blog-hero:hover {
  transform: translateY(-4px);
}

.blog-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(32px, 6vw, 48px);
  line-height: 1.1;
}

.blog-hero .sub {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.5vw, 20px);
  opacity: 0.9;
}

/* Card design with glassmorphism */
.blog-card {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.2);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.blog-card .img img {
  transition: transform 0.4s ease;
}

.blog-card:hover .img img {
  transform: scale(1.05);
}

.blog-card .ttl {
  font-family: var(--font-heading);
  font-weight: 600;
  margin: 0.5rem 0;
}

.blog-card .meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.blog-card .excerpt {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Responsive grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.blog-featured {
  max-width: 720px;
  margin: 0 auto 32px;
}

.blog-featured .blog-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
}

.blog-featured .img {
  height: 100%;
  min-height: 220px;
}

.blog-featured .body {
  padding: 24px;
}

@media (max-width: 600px) {
  .blog-featured .blog-card {
    grid-template-columns: 1fr;
  }

  .blog-featured .img {
    height: 190px;
    min-height: 0;
  }
}

/* Risograph texture on page */
.blog-index {
  position: relative;
}

.blog-index::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(28, 39, 33, 0.12) 0.5px, transparent 0.5px);
  background-size: 4px 4px;
  opacity: 0.06;
  pointer-events: none;
  mix-blend-mode: multiply;
  z-index: -1;
}

/* Micro‑animation for hero background gradient shift */
@keyframes heroGradient {
  0% {background: linear-gradient(120deg, var(--brand), #244f36);}
  50% {background: linear-gradient(120deg, #244f36, var(--brand));}
  100% {background: linear-gradient(120deg, var(--brand), #244f36);}
}

.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  animation: heroGradient 12s ease-in-out infinite;
}

.blog-hero h1,
.blog-hero .sub {
  position: relative;
  z-index: 1;
}